[PATCH] drivers/isdn/pcbit/: possible cleanups

This patch contains the following possible cleanups:
- make some needlessly global functions static
- remove the following unused global functions:
- callbacks.c: cb_out_3
- capi.c: capi_decode_disc_conf

Signed-off-by: Adrian Bunk <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/isdn/pcbit/callbacks.c

···
 
 
 /*
- * Disconnect received (actually RELEASE COMPLETE) 
- * This means we were not able to establish connection with remote
- * Inform the big boss above
- */
-void cb_out_3(struct pcbit_dev * dev, struct pcbit_chan* chan,
-	      struct callb_data *data) 
-{
-        isdn_ctrl ictl;
-
-        ictl.command = ISDN_STAT_DHUP;
-        ictl.driver=dev->id;
-        ictl.arg=chan->id;
-        dev->dev_if->statcallb(&ictl);
-}
-
-
-/*
  * Incoming call received
  * inform user
  */

drivers/isdn/pcbit/callbacks.h

···
 extern void cb_out_2(struct pcbit_dev * dev, struct pcbit_chan* chan, 
 		     struct callb_data *data);
 
-extern void cb_out_3(struct pcbit_dev * dev, struct pcbit_chan* chan, 
-		     struct callb_data *data);
-
 extern void cb_in_1(struct pcbit_dev * dev, struct pcbit_chan* chan, 
 		    struct callb_data *data);
 extern void cb_in_2(struct pcbit_dev * dev, struct pcbit_chan* chan, 

drivers/isdn/pcbit/capi.c

···
         return 0;
 }
 
-int capi_decode_disc_conf(struct pcbit_chan *chan, struct sk_buff *skb)
-{
-        ushort errcode;
-
-        errcode = *((ushort*) skb->data);
-        skb_pull(skb, 2);
-
-        return errcode;                
-}
-
 #ifdef DEBUG
 int capi_decode_debug_188(u_char *hdr, ushort hdrlen)
 {

drivers/isdn/pcbit/capi.h

···
 
 /* Connection Termination */
 extern int capi_disc_req(ushort callref, struct sk_buff **skb, u_char cause);
-extern int capi_decode_disc_conf(struct pcbit_chan *chan, struct sk_buff *skb);
 
 extern int capi_decode_disc_ind(struct pcbit_chan *chan, struct sk_buff *skb);
 extern int capi_disc_resp(struct pcbit_chan *chan, struct sk_buff **skb);

drivers/isdn/pcbit/drv.c

···
  * prototypes
  */
 
-int pcbit_command(isdn_ctrl* ctl);
-int pcbit_stat(u_char __user * buf, int len, int, int);
-int pcbit_xmit(int driver, int chan, int ack, struct sk_buff *skb);
-int pcbit_writecmd(const u_char __user *, int, int, int);
+static int pcbit_command(isdn_ctrl* ctl);
+static int pcbit_stat(u_char __user * buf, int len, int, int);
+static int pcbit_xmit(int driver, int chan, int ack, struct sk_buff *skb);
+static int pcbit_writecmd(const u_char __user *, int, int, int);
 
 static int set_protocol_running(struct pcbit_dev * dev);
 
···
 }
 #endif
 
-int pcbit_command(isdn_ctrl* ctl)
+static int pcbit_command(isdn_ctrl* ctl)
 {
 	struct pcbit_dev  *dev;
 	struct pcbit_chan *chan;
···
 }
 #endif
 
-int pcbit_xmit(int driver, int chnum, int ack, struct sk_buff *skb)
+static int pcbit_xmit(int driver, int chnum, int ack, struct sk_buff *skb)
 {
 	ushort hdrlen;
 	int refnum, len;
···
 	return len;
 }
 
-int pcbit_writecmd(const u_char __user *buf, int len, int driver, int channel)
+static int pcbit_writecmd(const u_char __user *buf, int len, int driver, int channel)
 {
 	struct pcbit_dev * dev;
 	int i, j;
···
 static int stat_st = 0;
 static int stat_end = 0;
 
-int pcbit_stat(u_char __user *buf, int len, int driver, int channel)
+static int pcbit_stat(u_char __user *buf, int len, int driver, int channel)
 {
 	int stat_count;
 	stat_count = stat_end - stat_st;